While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

What am I?

What occurs twice in a week, once in a year but never in a day?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Can you decipher the two rows to find the hidden word?